From 26f6eb5b07ce33511d8ccdc2f459aded353cedc2 Mon Sep 17 00:00:00 2001
From: albert-github <albert.tests@gmail.com>
Date: Fri, 30 Sep 2022 14:51:31 +0200
Subject: [PATCH] Polynomial: background of formula in advanced section

In the file `Polynomial/group__PkgPolynomialFunctions.html#ga0148f1612807b08b433f96c3ce07f2be` we see for the function `number_of_real_roots` in the advanced section that all formulas except 1 are nicely shown as (MathJax) formulas and that one is an image of which the background color is incorrect.
Replacing the image with a proper formula makes all consistent and proper.
---
 .../doc/Polynomial/CGAL/polynomial_utils.h       |   6 ++----
 Polynomial/doc/Polynomial/fig/underbrace.png     | Bin 1433 -> 0 bytes
 2 files changed, 2 insertions(+), 4 deletions(-)
 delete mode 100644 Polynomial/doc/Polynomial/fig/underbrace.png

diff --git a/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h b/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h
index 2fc219ffd44..fa60a32a8a1 100644
--- a/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h
+++ b/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h
@@ -494,8 +494,7 @@ For a sequence \f$ I:=(a_0,\ldots,a_n)\f$ of real numbers with \f$ a_0\neq 0\f$,
 \f[ C(I)=\ccSum{i=1}{s}\epsilon_i \f]
 where \f$ s\f$ is the number of subsequences of \f$ I\f$ of the form
 
-\image html underbrace.png
-\image latex underbrace.png
+\f[ (a,\underbrace{0, \dots,0}_{k},b) \f]
 
 with \f$ a\neq 0,b\neq 0, k\geq 0\f$.
 
@@ -546,8 +545,7 @@ For a sequence \f$ I:=(a_0,\ldots,a_n)\f$ of real numbers with \f$ a_0\neq 0\f$,
 \f[ C(I)=\ccSum{i=1}{s}\epsilon_i \f]
 where \f$ s\f$ is the number of subsequences of \f$ I\f$ of the form
 
-\image html underbrace.png
-\image latex underbrace.png
+\f[ (a,\underbrace{0, \dots,0}_{k},b) \f]
 
 with \f$ a\neq 0,b\neq 0, k\geq 0\f$.
 
diff --git a/Polynomial/doc/Polynomial/fig/underbrace.png b/Polynomial/doc/Polynomial/fig/underbrace.png
deleted file mode 100644
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